I ended the day re - visiting my LibraryThing . Glad I did...I had forgotten how damn good it is. Time to update my catalog with about a year's lot of books. Worth doing since I can get my data out and re-use elsewhere . Otherwise, why would I bother...
Mash-ups will be big. Yet, as Dion Hinchcliffe points out , the number of mash-ups released per day may not be huge today (three per day, according to the data on ProgrammableWeb ). But they will be on the increase, and the more APIs there are available...